| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] to [be] | 3684 |
|
| 2 | it [vb past] to [be] | 1124 |
|
| 3 | [pron] proved to [be] | 201 |
|
| 4 | [pers pn] proved to [be] | 107 |
|
| 5 | it prove to [be] | 87 |
|
| 6 | it proved to [be] | 75 |
|
| 7 | it proved [prep] [be] | 75 |
|
| 8 | it proved to [be] | 75 |
|
| 9 | it proved to [be] | 75 |
|
| 10 | it proved [prep] [be] | 75 |
|
